LaMura appeared on the soap from 1977 to 1989 and made guest appearances through the ’90s and again in 2005. He earned a Daytime Emmy nomination in 1988 for his performance as well as two Soap Opera Digest Award nods in 1988 and 1989.

Despite playing Erica Kane’s brother, there was a moment, according to Soaps in Depth, when Erica was smitten with Mark. However, Erica’s mother put a stop to the budding relationship, revealing that they were siblings.

He also appeared in a guest role in a 1990 episode of “Star Trek: The Next Generation.”

Other small-screen credits included roles in “30 Rock,” “Damages,” Law & Order: Special Victims Unit” and “The Sopranos.”